Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1557-053 (2026b, independent mode)

Data - BVID - NED - MOJAVE - SIMBAD - PanSTARRS-1

Right ascension: 239.9568426415297°
Declination: -5.5229351094322°
No. sessions: 6
No. delays: 359
Defining: No
RMS(α cos δ) = 0.3012 mas
RMS(δ) = 1.4083 mas
Variability ellipse semimajor axis = 1.4153 mas
Variability ellipse semiminor axis = 0.2663 mas
Variability ellipse position angle = 5.8 deg
Equivalent α-δ correlation = 0.46

Observed in only 6 session(s)

Quarterly time series for 1557-053 (2026b, 4 global solutions)

Data

Right ascension: 239.9568426751178°
Declination: -5.5229350995802°
No. sessions: 6
No. delays: 359
Defining: No
RMS(α cos δ) = 0.1922 mas
RMS(δ) = 0.3642 mas
Variability ellipse semimajor axis = 0.3818 mas
Variability ellipse semiminor axis = 0.1542 mas
Variability ellipse position angle = 19.1 deg
Equivalent α-δ correlation = 0.54

Observed in only 6 session(s)